CeramicSpeed PF30 Bottom Bracket for Shimano Road Black Standard Bearing Shimano Ultegra rider-tuned gearing with wide gear

rider-tuned gearing with wide gear choices

Chainring BCD: 130

Weight (Pair) 1 lb

The Shimano SH51 SPD Cleats offer four degrees of float

CeramicSpeed PF30 Bottom Bracket for Shimano Road Black Standard Bearing Shimano Ultegra rider-tuned gearing with wide gearThe PF30 standard is widely used. To make it compatible with Shimano and other 24mm diameter thru axle cranks, as well as improve the system, select this bottom bracket. The package comes with two cups and CeramicSpeed Bearings installed. There are two options. Both Standard and Coated Bearings feature super smooth CeramicSpeed Balls and hardened steel races. The CeramicSpeed Coated Bearings have an additional feature: a 3 micron thick metallic layer